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1 changed files with 2 additions and 21 deletions
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@ -22,7 +22,7 @@ import sys
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import os
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import zlib
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import argparse
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from PIL import Image, TiffImagePlugin, GifImagePlugin, ImageCms, ExifTags
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from PIL import Image, TiffImagePlugin, GifImagePlugin, ImageCms
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if hasattr(GifImagePlugin, "LoadingStrategy"):
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# Pillow 9.0.0 started emitting all frames but the first as RGB instead of
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@ -1298,7 +1298,6 @@ class pdfdoc(object):
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def get_imgmetadata(
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imgdata, imgformat, default_dpi, colorspace, rawdata=None, rotreq=None
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):
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if imgformat == ImageFormat.JPEG2000 and rawdata is not None and imgdata is None:
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# this codepath gets called if the PIL installation is not able to
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# handle JPEG2000 files
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@ -1312,25 +1311,7 @@ def get_imgmetadata(
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else:
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imgwidthpx, imgheightpx = imgdata.size
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ndpi = None
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# For JPEG images with both EXIF tags and JFIF tags, Pillow seems reading image resolution from JFIF.
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# However, "Preview" on Mac and "Photos" on Windows read the resolution from EXIF.
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# We try to read the value from EXIF first
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exif = imgdata.getexif()
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if exif:
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exif_res_unit = exif.get(ExifTags.Base.ResolutionUnit)
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exif_x_res = exif.get(ExifTags.Base.XResolution)
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exif_y_res = exif.get(ExifTags.Base.YResolution)
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if exif_x_res and exif_y_res:
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if (exif_res_unit == 3): # cm
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ndpi = (exif_x_res * 2.54, exif_y_res * 2.54)
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else:
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ndpi = (exif_x_res, exif_y_res)
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# if no DPI from EXIF, get it from `info`
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if ndpi is None:
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ndpi = imgdata.info.get("dpi")
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if ndpi is None:
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# the PNG plugin of PIL adds the undocumented "aspect" field instead of
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# the "dpi" field if the PNG pHYs chunk unit is not set to meters
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